Update expectations_open_source_contributors.md

Author: rowlandm

expectations_open_source_contributors.md

@@ -28,7 +28,7 @@ How does an open source contributor differ from the student intern who gets cour
 | Must complete summary report | encouraged but optional | mandatory |
 | Must provide a final presentation | encouraged but optional | mandatory |
 | Must update wiki and documentation as appropriate | encouraged but optional | mandatory |
-| Must work on an open source project | mandatory | optional |
+| Must work on an open source project | mandatory | can work on open source and close source projects |
 | Has access to WEHI resources | no | yes |
 | --- | --- | --- |